'It was a very, very, very hard ball that he gets in his face, ' Fontas said. Annoyed at either a refereeing decision or his teammates" failure to play the ball to him quickly, Alejandro Romero "Kaku' Gamarra can be seen smashing the ball into the crowd in anger in the footage below, striking a fan.

Kaku tweeted an apology after the game, writing: 'I want to take the time and apologize for my actions during tonight's match.

Luis Robles, the Red Bulls goalie, told reporters that he believed Kaku didn't mean to hit the fan. As a competitor, I was frustrated with myself and took out my frustrations in a way that is not acceptable.

Sporting KC teenager Busio rescued a point in a 1-1 draw away to FC Cincinnati last week and the 16-year-old sensation was at it again on Sunday.